204425226 has 12 divisors (see below), whose sum is σ = 442921362. Its totient is φ = 68141736.

The previous prime is 204425209. The next prime is 204425227. The reversal of 204425226 is 622524402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 173054025 + 31371201 = 13155^2 + 5601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204425226.

It is not an unprimeable number, because it can be changed into a prime (204425227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5678461 + ... + 5678496.

Almost surely, 2^204425226 is an apocalyptic number.

204425226 is an abundant number, since it is smaller than the sum of its proper divisors (238496136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204425226 is a wasteful number, since it uses less digits than its factorization.

204425226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356965 (or 11356962 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 204425226 is about 14297.7349954460. The cubic root of 204425226 is about 589.0852683580.

Adding to 204425226 its reverse (622524402), we get a palindrome (826949628).

The spelling of 204425226 in words is "two hundred four million, four hundred twenty-five thousand, two hundred twenty-six".